.wu-cascader {
    display: inline-block;
    position: relative;
    outline: 0;

    &-dropdown {
        &_wrap {
            position: relative;
        }

        &_menu {
            height: 100%;
            margin: 0;
            padding: 6px 0;
            list-style: none;
            box-sizing: border-box;
        }

        &_item {
            position: relative;
            padding: 10px 20px;
            cursor: pointer;

            &.selected,
            &:hover {
                background: #f1fff8;
            }

            &-suffix {
                position: absolute;
                right: 10px;
            }

            &.disabled {
                color: #c0c4cc;
                cursor: not-allowed;
            }
        }

        &-right_wrap {
            position: absolute;
            left: 100%;
            top: 0;
            width: 190px;
            background-color: #fff;
            box-shadow: rgba(0, 0, 0, 0.1) 0 2px 12px 0;
        }
    }
    .wu-cascader-input-container {
        position: relative;
        .wu-cascader-input-overlay {
            cursor: pointer;
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1; /* 放在禁用输入元素之上 */
            background: transparent; /* 透明背景 */
        }
    }
}
